In 2010, the number of clown costumes sold at a single costume shop was 10. By 2015, that number had grown to 40. Assuming a constant increase in clown costume sales, calculate the average rate of change from 2010 to 2015.

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet